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Heart failure is caused by chronic oxygen deprivation due to reduced blood flow, which weakens the heart over time. Arrhythmias are caused by inadequate blood supply to the heart that interferes with the heart's electric impulse. The coronary arteries can constrict as a response to various stimuli, mostly chemical. This is known as a coronary ...
The most common causes of cardiomegaly are congenital (patients are born with the condition based on a genetic inheritance), high blood pressure (which can enlarge the left ventricle causing the heart muscle to weaken over time), and coronary artery disease. In the latter case, the disease creates blockages in the heart's blood supply, leading ...
Those symptoms can also come as a result of a coronary artery spasm, which occurs when an artery in the heart squeezes shut. Clogged arteries can cause those events, as well. 4.
A coronary occlusion, or coronary artery disease, is the partial or complete obstruction of blood flow in a coronary artery.This condition may cause a heart attack. [1] It is the most common form of cardiovascular disease, and is the leading cause of death in the United States, affecting 18 million adults.
Each year in the United States, according to the Centers for Disease Control and Prevention (CDC), about 735,000 people have a heart attack and 610,000 people die of coronary heart disease (CHD).
A heart attack requires immediate treatment to improve blood flow to your heart, relieve your symptoms, and prevent another heart attack. Some treatment options include: Medications such as ...
Giant cell arteritis typically only occurs in those over the age of 50; [4] particularly those in their 70s. [22] It affects about 1 in 15,000 people over the age of 50 per year. [2] It is more common in women than in men, by a ratio of 2:1, [4] and more common in those of Northern European descent, as well as in those residing further from the ...
Coronary artery disease (CAD), also called coronary heart disease (CHD), or ischemic heart disease (IHD), [13] is a type of heart disease involving the reduction of blood flow to the cardiac muscle due to a build-up of atheromatous plaque in the arteries of the heart. [5] [6] [14] It is the most common of the cardiovascular diseases. [15]